名詞 castor:

1. a multiple star with 6 components; second brightest in Gemini; close to Pollux
   同義詞：Alpha Geminorum
2. a shaker with a perforated top for sprinkling powdered sugar
   同義詞：caster
3. a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
   同義詞：caster
4. a hat made with the fur of a beaver (or similar material)
   同義詞：beaver
5. type genus of the Castoridae: beavers
   同義詞：genus Castor

castor

n.（名詞）
An oily, brown, odorous substance obtained from glands in the groin of the beaver and used as a perfume fixative.
海貍香：從海貍腹股溝的腺體中獲得的一種油質(zhì)、棕色有香味的物質(zhì)，可用作香水固定劑
A hat made of beaver fur or an imitation.
海貍皮帽：用海貍皮或其仿制品制成的帽子
A heavy wool fabric used especially for overcoats.
厚毛料：一種主要用作大衣的厚毛料

來源：
Middle English
中古英語
from Latin [beaver]
源自 拉丁語 [海貍]
from Greek kastôr
源自 希臘語 kastôr

castor
castor 2

n.（名詞）
Variant of caster
caster的變體